The Atomic Mass

Last updated over 1 year ago

15 Nsɛmmisa

The Atomic Mass

Last updated over 1 year ago

15 Nsɛmmisa

Question 7

00:20

Question 8

00:42

Question 9

01:14

Question 10

01:40

Part 1: Isotopes

Click on the 'Isotopes' tab in the simulation below. Use the simulation to answer questions 4-11.

(If you'd like to have the simulation open in another tab, visit Isotopes and Atomic Mass PhET)

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.
What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

The mass number of the atom

The number of protons in the atom

The number of electrons in the atom

The color of the atom

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope.
Match the numbers below.

Draggable item		Corresponding Item
Atomic mass of Hydrogen-2		1
Mass number of Hydrogen-2		1.00783
Mass number of Hydrogen-1		2
Atomic mass of Hydrogen-1		2.01410

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.
Match the numbers below

Draggable item		Corresponding Item
Atomic mass of Boron-10		9
Mass number of Boron-11		10
Atomic mass of Boron-11		11
Mass number of Boron-9		11.00931
Mass number of Boron-10		10.01294

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.
Which of the following isotopes of Boron are present in nature?

Boron-9

Boron-10

Boron-11

Boron-12

The Atomic Mass

The Atomic Mass

Part 1: Isotopes

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.
What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope.
Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.
Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.
Which of the following isotopes of Boron are present in nature?

Isotopes of sodium

Part 1: Isotopes

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.
What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope.
Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.
Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.
Which of the following isotopes of Boron are present in nature?

Isotopes of sodium

The Atomic Mass

The Atomic Mass

Part 1: Isotopes

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope. Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.Which of the following isotopes of Boron are present in nature?

Part 1: Isotopes

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope. Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.Which of the following isotopes of Boron are present in nature?

Isotopes of sodium

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.
What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope.
Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.
Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.
Which of the following isotopes of Boron are present in nature?

Build an atom of Hydrogen-1, Hydrogen-2, and Hydrogen-3.
What does the number (-1, -2, or -3) in the isotope name represent (hint: what does adding neutrons effect at a glance)?

Build a Hydrogen-1 isotope. Click between the 'Mass Number' and 'Atomic Mass (amu)' options on the scale. Do the same thing but by building a Hydrogen-2 isotope.
Match the numbers below.

Next, click on 'Boron' on the periodic table. Build an isotope of Boron-9, Boron-10, and Boron-11. Click between the 'Mass Number and 'Atomic Mass (amu)' options on the scale.
Match the numbers below

Keep your 'Boron' isotope open. Click on the 'Abundance in Nature' tab.
Which of the following isotopes of Boron are present in nature?